* {
  margin: 0;
  padding: 0;
  border: 0;
  font-family: "微软雅黑";
}
a {
  text-decoration: none;
}
li {
  list-style: none;
}
body {
  width: 540px;
}
.titleAll {
  display: none;
  position: fixed;
  top: 0;
  width: 100%;
  height: 65px;
  background: #25262a;
  text-align: center;
  line-height: 65px;
  color: #fff;
  font-size: 25px;
  letter-spacing: 3px;
  z-index: 9;
}
.titleAll .return {
  position: absolute;
  top: 5px;
  left: 10px;
  width: 40px;
  height: 40px;
}
.titleAll .return img {
  width: 20px;
  height: 30px;
}
